Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 6 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/25/2023   12:16:34   (  -0.13,-165.22) (  -0.77,-162.22)  340.76                80
 06/27/2023   00:35:54   (   0.16,-165.80) (  -0.22,-167.58)  201.94                80
 06/28/2023   00:19:51   (   0.14,-166.18) (   0.83,-163.06)  355.58                80
 06/29/2023   12:39:02   (  -0.18,-166.76) (   0.19,-168.37)  184.56                80
 06/30/2023   12:22:59   (  -0.16,-167.13) (  -0.87,-163.86)  372.14                80
 07/02/2023   00:42:19   (   0.20,-167.69) (  -0.12,-169.21)  172.77                80
 07/03/2023   00:26:15   (   0.19,-168.06) (   0.94,-164.69)  383.39                80
 07/04/2023   12:45:27   (  -0.22,-168.61) (   0.07,-170.01)  158.50                80
 07/05/2023   12:29:23   (  -0.20,-168.97) (  -1.00,-165.49)  397.22                80
 07/07/2023   00:48:43   (   0.24,-169.53) (  -0.04,-170.84)  148.85                80
 07/08/2023   00:32:39   (   0.22,-169.89) (   1.03,-166.32)  406.91                80